221245336

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{163643}}^1$

素因数の和:163675

約数の個数: 24

約数和(自身を含む): 449202780

約数和(自身を除く): 227957444

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 163643, 327286, 654572, 1309144, 2127359, 4254718, 8509436, 17018872, 27655667, 55311334, 110622668, 221245336]

約数ペア:

[(1, 221245336), (2, 110622668), (4, 55311334), (8, 27655667), (13, 17018872), (26, 8509436), (52, 4254718), (104, 2127359), (169, 1309144), (338, 654572), (676, 327286), (1352, 163643)]